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Comment Re:It's Science! (Score 3, Interesting) 132

So, have extrasolar sunspots been observed before?

I assume sunspots are far better understood than planetary formation

Not necessarily so. The cause of sunspots is mostly understood, but this discovery is significant because it shows that starspots occur on stars with no known planets, thus providing the start of a refutation of the "Jupiter effect" in solar activity.

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